RFIDkártyákat

RFIDkártyákat, or RFID cards, are contactless smart cards that use radio-frequency identification technology to transmit information. They contain an integrated circuit and an antenna, allowing them to communicate with an RFID reader without physical contact. This technology enables a variety of applications, making them a versatile tool in modern systems.

The primary function of an RFIDkártya is to store and transmit data wirelessly. The antenna picks up energy from the RFID reader's radio waves, which powers the integrated circuit. This circuit then modulates the radio waves to send back stored data. The range of communication can vary depending on the type of RFID card and reader, from a few centimeters to several meters.

Common uses for RFIDkártyákat include access control systems, where they are used to grant or deny entry to buildings or secure areas. They are also prevalent in public transportation ticketing, allowing passengers to tap their card for seamless boarding. Additionally, they can be found in loyalty programs, payment systems, and for tracking inventory. The convenience and speed of contactless interaction are key advantages of this technology.